Improvement in sewer-traps



UNITED STATES PATENT QEEICEa lJAbOBGANTER, OF NEW YORK, N. Y.

IMPROVEMENT lN. SEWER-TRAPS.

Specification forming part of Letters Patent No. 187,002, dated February 6, 1877; application filed June 8, 1876.

To all whom it may concern:

Be it known that I, JACOB GANTER, of New York city, in the county of New York, andin the State of New York, have invented certain new and useful Improvements in Sewer- Traps 5 and do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making a part of this speciication, in which- Figure 1 is a perspective view of my improved trap, a portion ot' one wall being broken away so as to show the interior construction; and Fig. 2 is a central longitudinal 'section of the same.

Letters of like name and kind refer to like parts in each of the figures.

The design of my invention is to prevent the entrance of sewer gas into buildings through the waste-pipes ot' water-closets, sinks, Ste.; and it consists in combining, with the hinged valve named, a weighted arm which may be adjusted toward or from the axial center, so as to increase or diminish the pressure required for opening said valve, substantially as and for the purpose hereinafter shown.

It consists, secondly, in a sewer-trap in which the wastepipe is closed by means ot' a weighted valve that is capable of adjustment, so as to cause it, when closed, to retain any desired quantity ot' water within said pipe, substantially as and for the purpose hereinafter set forth.

In the annexed drawing, A represents a waste-pipe, which, at its lower end, extends for a short dist-ance into a casing, B, that forms part of or is connected with a sewer. Hinged to or upon the lower open end, at one side of the pipe A, is a valve, C, which may be turned upward against said pipe end, and when in such position ei'ectually closes the same, so as to prevent the upward passage of gas or water. Upon the lower side of the valve C is provided one or more lugs, c, within which are provided horizontal threaded openings, that receive a correspondingly-throaded rod, D, which rod extends outward beyond the hinged end of said valve, in a line with its plane of motion, and at its outer end is provided with an enlargement, d, that operates as a weight.

The weight ofthe enlargement d is greater than the weight of the valve C, so that the former operates to close the latter over the mouth of the pipe A, and to return said valve opened.

By turning the rod in a-forward or back- 'ward direction, its weight end will be moved toward or from the axial bearing of said valve, and the resistance of said weight to the opening of said valve correspondingly decreased or increased. It', now, water is permitted to ow downward through the pipe'A, its momentum and weight will cause the valve U to open, so as to allow said water to pass into the sewer, after which said valve will be automatically closed by the operation of the weighted arm,and allcommunication between said sewer and waste-pipe cut oft'.

By adjusting the weighted arm as described, the exact degree ot' upward pressure upon the valve necessary for the proper closing of the same can be secured, and no unnecessary resistance offered to the downward passage ot' the water.

lf it is desired that the lower end of the waste-pipe should .be sealed by water, as well as by the valve, the weighted arm should be moved outward until the weight of the desired quantity oi' water is counterbalanced, after which said valve will close whenever no more water remains in the waste-pipe than the quantity used for sealing purposes, which quantity may be increased or diminished at will by adjusting said weighted arm.

ln order that the adjustment oi' the arm D may be easily e'ected, an opening, b, is provided in and through the wall of the casing B, in rear of the enlargement d, through which the latter may be grasped and turned by means of a pair ot' pliers or tongs. A screw-plug, b', tted into said opening b, enables the same to be closed when not in use.

l am aware that a balanced valve has be fore been located at the mouth of a wastepipe, and I do not, therefore, broadly claim such a construction; but,

Having thus fully set forth the nature and to 4such position after having been merits of my invention, what I claim .as new is l. In combination with a valve located at the mouth of a waste-pipe, and provided with depending screw-threaded lugs c o, the balaneing-weight d, having screw-stem D, which is adjustable through said lugs, as and for the' adjustable Weight attached thereto, and the casing B, provided with opening b and screwplug b', to afford access to said weight, the whole being arranged to operate substantially as and for the purposes set forth. I

In testimony that I claim the foregoing I have hereunto set my hand this 8th day of June, 1876.

JACOB GAN'IER. Witnesses:

GEO. S. PRINDLE, WILLIAM FITCH. 

